By sliding a lever, students can change the numerator and denominator of a fraction. In the process, students will be able to make connections between numerator or denominator size and fraction size. ...More: lessons, discussions, ratings, reviews,...

In this year-long project, students design, "build," and "sell" a house; after which they simulate investment of the profits in the stock market. Along the way, students make scale drawings, compute w...More: lessons, discussions, ratings, reviews,...

Get the proper fractions listed at the top of the application, adding two or three unit fractions. Each proposed proper fraction has a variable number of solutions and different levels of difficulty. ...More: lessons, discussions, ratings, reviews,...

This is the Android version of the Mathcats Old Egyptian Fractions:
Old Egyptian Math Cats knew fractions like 1/2 or 1/4 (one piece of a pie).
But to make fractions like 3/4, they had to add pi...More: lessons, discussions, ratings, reviews,...

Visually represent equivalent fractions by dividing squares or circles and shading portions equivalent to a given fraction. Also shows the fractional value on a number line as you color in the frac...More: lessons, discussions, ratings, reviews,...

Graphically cut squares or circles into parts representing a fraction's denominator, then color in the correct portions to represent the numerator. Then order these fractions from least to greatest...More: lessons, discussions, ratings, reviews,...

The program raises the problem from a hypothetical party where the guests ask for a specific fraction of pizza. Guests can only choose two types of pizza for each party. The program calls for the tota...More: lessons, discussions, ratings, reviews,...

The user can learn how to reduce fractions. After viewing examples and methods to use to reduce fractions, users can practice interactively with fractions that they are asked to write in lowest terms.More: lessons, discussions, ratings, reviews,...

This material is based upon work supported by the
National Science Foundation under Grant DUE-0226284.
Any opinions, findings, and conclusions or recommendations
expressed in this material are those of the author(s)
and do not necessarily reflect the views of the
National Science Foundation.